<pre>
java.lang.IllegalStateException: cannot open system clipboard
	at sun.awt.windows.WClipboard.openClipboard(Native Method)
	at sun.awt.datatransfer.SunClipboard.getClipboardFormatsOpenClose(SunClipboard.java:315)
	at sun.awt.datatransfer.SunClipboard.isDataFlavorAvailable(SunClipboard.java:175)
	at org.jdesktop.application.TextActions.updateTextActions(TextActions.java:132)
	at org.jdesktop.application.TextActions.access$400(TextActions.java:47)
	at org.jdesktop.application.TextActions$ClipboardListener.flavorsChanged(TextActions.java:108)
	at sun.awt.datatransfer.SunClipboard$1SunFlavorChangeNotifier.run(SunClipboard.java:427)
	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
</pre>
